/*
 * Copyright 2023 AntGroup CO., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 */

package com.antgroup.geaflow.runtime.core.scheduler.strategy;

public interface IScheduleStrategy<G, V> {

    /**
     * Initialize a schedule strategy.
     */
    void init(G graph);

    /**
     * Check whether the graph has cycle to schedule.
     */
    boolean hasNext();

    /**
     * Offer the next cycle that can be scheduled.
     */
    V next();

    /**
     * Do something if cycle is finished.
     */
    void finish(V cycle);
}
